Pitot-static tube

Pi·tot-stat·ic tube

A device consisting of a Pitot tube and a static tube combined to measure simultaneously the total and static pressure in a fluid stream. It can be used in aircraft to determine relative wind speed.

Pitot-static tube

(ˈpiːtəʊˈstætɪk)

n

(General Physics) combined Pitot and static pressure tubes placed in a fluid flow to measure the total and static pressures. The difference in pressures, as recorded on a manometer or airspeed indicator, indicates the fluid velocity. Also called: Pitot tube

Pi′tot-stat′ic tube`

(ˈpi toʊ, piˈtoʊ-) n. (often l.c.)

a device combining a Pitot tube with a static tube, used to measure airspeed.

here: [zeta] is calibration factor of the pitot-static tube; [P.sub.0] is the pressure measured in model drainage points; [P.sub.s] is pressure on the pitot-static tube; [P.sub.e] is a static pressure in Eiffel chamber of the wind tunnel; [P.sub.a] is a pressure of atmosphere; [psi] is a correction coefficient, which is taken into account in case of individual features of laboratory experiments.

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